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14,642 datasets found
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  • Open Data

    Bioavailability of pharmaceuticals in Northern Pike in the St. Lawrence River

    Aquatic systems near major urban centers are constantly contaminated with effluent from wastewater treatment plants (WWTP). Pharmaceuticals are part of the contamination and several classes of drugs have been detected in surface waters in the last decade. To better understand the impact of those...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Open Data

    Mercury concentrations in the Canadian Arctic marine ecosystem

    This dataset contains 2005 concentrations of total mercury (THg), gaseous elemental mercury (GEM), methylated mercury, dimethyl mercury (DMHg) in the water column of the Canadian Arctic. Mercury in the Arctic is an important environmental and human health issue. The reliance of Northern peoples...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Open Data

    Acute and chronic toxicity of neonicotinoid and butenolide insecticides to the freshwater amphipod, Hyalella azteca

    Neonicotinoids are the most widely used insecticides in the world. They are preferentially toxic to insects while displaying a low toxicity toward vertebrates, and this selective toxicity has resulted in the rapid and ubiquitous use of these compounds. However, neonicotinoids have been detected...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Open Data

    Fish health metrics for Niagara River AOC Brown bullhead and Yellow perch

    This dataset contains the fish health metrics (length, weight, gonad size, etc.) for Brown bullhead (Ameiurus nebulosus) and Yellow Perch (Perca flavescens) collected from three site locations (Queenston, Point Abino, and Black Creek) within the Niagara River Area of Concern for 2004 and 2008....
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Open Data

    Persistent organic pollutants (POPs) in ringed seals (Phoca hispida) across the Canadian Arctic

    Ringed seals (Phoca hispida) have been used as bioindicator species of environmental contamination in Canada since the 1970s. In the present study, seals were harvested during subsistence hunts in four regions of the Canadian Arctic: Beaufort Sea, Arctic Archipelago, Hudson Bay, and coastal...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Open Data

    Sensitivity of freshwater mussel species to various pesticides detected in Ontario, Canada

    Freshwater mussels contribute important ecological functions to aquatic systems. The water filtered by mussel assemblages can improve water quality, and the mixing of sediments by burrowing mussels can improve oxygen content and release nutrients. However, nearly 70 percent of North American...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Open Data

    Parasite community in Athabasca River trout-perch (Percopsis omiscomaycus)

    The study examines the parasite communities in Athabasca River Trout-perch (Percopsis omiscomaycus) at five sites along the main stem of the Athabasca River to explore whether any observed changes in parasite abundance or community structure might correlate with small-scale variations in water...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
  • Open Data

    North American Breeding Bird Survey Maps for Canada

    This collection houses PDFs of active BBS route maps, which are grouped by province or territory. These maps allow BBS volunteers in Canada to easily locate the start of their route, and to navigate the official route. The BBS is jointly coordinated by Environment Canada's Canadian Wildlife...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • other
  • Open Data

    Halogenated Phenolic Compounds in the plasma of Toronto and Region AOC Brown bullhead

    This dataset contains the concentrations of halogenated phenolic compounds in plasma for the fish species Brown bullhead (Ameiurus nebulosus), from 3 site locations (Frenchman's Bay, Tommy Thompson, and Toronto Island) within the Toronto and Region Area of Concern. Halogenated Phenolic Compounds...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • HTML
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